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Smallpox is a disease caused by the Variola major virus. Some experts say that over the centuries it has killed more people than all other infectious diseases combined. Worldwide immunization stopped the spread of smallpox three decades ago. The last case was reported in 1977. Two research labs still keep small amounts of the virus. Experts fear bioterrorists could use the virus to spread disease.

Smallpox spreads very easily from person to person. Symptoms are flu-like. They include

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Photograph of a gloved pair of hands holding a vial of smallpox vaccine
Results 1 - 10 of 176 for smallpox
  1. Smallpox (National Library of Medicine)  
    Smallpox is a disease caused by the Variola major virus. Some experts say that over the centuries ... diseases combined. Worldwide immunization stopped the spread of smallpox three decades ago. The last case was reported ...
  2. What We Learn about Smallpox from Movies - Fact or Fiction (Centers for Disease Control and Prevention)  
    ... New A - Z Index What We Learn About Smallpox from Movies - Fact or Fiction Over the years, ... CDC information about smallpox. Incubation Period of the Smallpox Virus Fiction: Movies and television often show people ...
  3. What You Should Know about a Smallpox Outbreak (Centers for Disease Control and Prevention)  
    ... Z Index What You Should Know About a Smallpox Outbreak The thought of a smallpox outbreak is ... other channels such as radio and television. Why Smallpox is a Concern Because smallpox was wiped out ...
  4. Smallpox Vaccine Overview (Centers for Disease Control and Prevention)  
    ... Z Index SMALLPOX FACT SHEET Vaccine Overview The Smallpox Vaccine The smallpox vaccine helps the body develop ... disease or may modify the severity of disease. Smallpox Vaccine Safety The smallpox vaccine is the best ...
  5. Smallpox Disease Overview (Centers for Disease Control and Prevention)  
    ... What's New A - Z Index SMALLPOX FACT SHEET Smallpox Disease Overview See also What We Learn About ... it was no longer necessary for prevention. Where Smallpox Comes From Smallpox is caused by the variola ...
  6. Live Virus Smallpox Vaccine (Centers for Disease Control and Prevention)  
    ... Z Index SMALLPOX FACT SHEET The Live Virus Smallpox Vaccine The vaccinia virus is the "live virus" ... the vaccinia virus. Who should NOT get the smallpox vaccine? People most likely to have side effects ...
  7. What CDC Is Doing to Protect the Public from Smallpox (Centers for Disease Control and Prevention)  
    ... CDC Is Doing to Protect the Public From Smallpox Smallpox Response Plan and Guidelines Smallpox was declared globally eradicated in 1980; however, there ...
  8. Smallpox From the National Institutes of Health (National Institute of Allergy and Infectious Diseases)  
    ... JavaScript on. Read more information on enabling JavaScript. Smallpox Skip Content Marketing Share this: Main Content Area ... laboratories in Atlanta, Georgia, and in Russia. Understanding Smallpox Cause Transmission Symptoms Treatment Prevention Research Last Updated ...
  9. Smallpox (Nemours Foundation)  
    ... have little effect. Continue What Happens In a Smallpox Infection? If a person becomes infected with smallpox, ... the scabs have fallen off. What Works Against Smallpox? Antibiotics don't work against viruses — they're ...
  10. SMALLPOX FACT SHEET Smallpox Vaccination Information for Women Who Are Pregnant or Breastfeeding What is smallpox vaccine? The smallpox vaccine helps the body ...
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